You may be wondering within your FOREVER® account what the difference is between Tags and People. While similar, they have vastly different purposes!
In short, Tags are meant to be ways to organize files into groupings, as well as provide more context on a memory. Whereas People are supposed to expand and specifically outline a person to create a profile of them.
For steps on creating and using Tags on your memories, you can read this article.
For creating and editing a People profile, you can read this article.